Oh! I actually know about the root of this one. (Thanks, Mom!) It’s Latin. Ringing in your is called tinnitus, which comes from the same root word.
When my mom took Latin they’d sing Jingle Bells…in Latin. It is pretty cute, but I can’t remember the words. I also can never remember all the words to “Oh, Come All Ye Faithful” in Latin either. She knows. I call her when I get stuck…which is every. single. time. (Yes, she puts up with a lot of weird questions from me.)